<template>
  <div>
      <!-- 面包屑导航区 -->
    <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card class="box-card">
        <el-row :gutter="20">
            <el-col :span="6">
                <div >
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </div>
            </el-col>
            <el-col :span="3">
                <el-button type="primary" @click="addDialogVisible = true" >添加用户</el-button>
            </el-col>
        </el-row>
        <el-table :data="UserList" stripe style="width: 100%" border>
            <el-table-column type="index" label="#"></el-table-column>
            <el-table-column prop="username" label="姓名" width="180"></el-table-column>
            <el-table-column prop="email" label="邮箱"></el-table-column>
            <el-table-column prop="mobile" label="电话"></el-table-column>
            <el-table-column prop="role_name" label="角色"></el-table-column>
            <el-table-column  label="状态">
                <template slot-scope="scope">
                   <el-switch v-model="scope.row.mg_state" active-color="#13ce66" inactive-color="#ff4949" @change="userStateChanged(scope.row)">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column  label="操作" width="200px">
                <!-- eslint-disable-next-line -->
                <template slot-scope="scope">
                    <!-- 修改按钮 -->
                   <el-button type="primary" icon="el-icon-edit" circle @click="showEditDialog(scope.row.id)"></el-button>
                   <!-- 删除按钮 -->
                   <el-button type="danger" icon="el-icon-delete" circle @click="removeUserById(scope.row.id)"></el-button>
                   <!-- 权限按钮 -->
                   <el-tooltip effect="dark" content="分配角色" placement="top" style="margin-left:10px" :enterable="false" >
                    <el-button type="warning" icon="el-icon-setting" circle @click="setRole(scope.row)"></el-button>
                   </el-tooltip>
                </template>
            </el-table-column>
        </el-table>
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[1, 2, 5, 10]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
        </el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
    <!-- 内容主题区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <!-- 底部区 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
    <!-- 内容主题区域 -->
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
            <el-form-item label="用户名" prop="username">
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email" ></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <!-- 底部区 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUser">确 定</el-button>
        </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
    <!-- 内容主题区域 -->
        <div>
            <p>当前的用户:{{userInfo.username}}</p>
            <p>当前的角色:{{userInfo.role_name}}</p>
            <p>分配新角色:
                <template>
                    <el-select v-model="selectRoleId" placeholder="请选择">
                        <el-option
                        v-for="item in RolesList"
                        :key="item.id"
                        :label="item.roleName"
                        :value="item.id">
                        </el-option>
                    </el-select>
                </template>
            </p>
        </div>
        <!-- 底部区 -->
        <span slot="footer" class="dialog-footer">
            <el-button @click="setRoleDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="setRoleInfo()">确 定</el-button>
        </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
    data(){
        var checkEmail = (rule,value,cb) =>{
            // 验证邮箱的正则表达式
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/;
            if(regEmail.test(value)){
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
            // 验证手机号的规则
        var checkMobile = (rule,value,cb) =>{
            const regMobile = /^[1][3,4,5,7,8][0-9]{9}$/;
            if(regMobile.test(value)){
                return cb()
            }
            cb(new Error('请输入合法的手机号'))
        }
        return{
            // 验证邮箱的规则
            // 获取用户列表的参数
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:2
            },
            UserList:[],
            editForm:{},
            RolesList:[],
            selectRoleId:'',
            total:0,
            // 控制添加用户对话框的隐藏与显示
            addDialogVisible:false,
            editDialogVisible:false,
            setRoleDialogVisible:false,
            // 需要被分配角色的用户信息
            userInfo:{},
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            addFormRules:{
                username:[{
                    required:true,message:'请输入用户名',trigger:'blur'
                },{
                    min:3,max:10,message:"用户名的长度在3~10个字符之间",
                    trigger:'blur'
                }],
                password:[{
                    required:true,message:'请输入密码',trigger:'blur'
                },{
                    min:6,max:15,message:"密码的长度在6~15个字符之间",
                    trigger:'blur'
                }],
                email:[{
                    required:true,message:'请输入邮箱',trigger:'blur'
                },{
                    validator:checkEmail,trigger:'blur'
                }],
                mobile:[{
                    required:true,message:'请输入手机号',trigger:'blur'
                },{
                    validator:checkMobile,trigger:'blur'
                }]
            },
             editFormRules:{
                email:[{
                    required:true,message:'请输入邮箱',trigger:'blur'
                },{
                    validator:checkEmail,trigger:'blur'
                }],
                mobile:[{
                    required:true,message:'请输入手机号',trigger:'blur'
                },{
                    validator:checkMobile,trigger:'blur'
                }]
            }
        }
    },
    created(){
        this.getUserList()
    },
    methods:{
        async getUserList(){
            const {data:res} = await this.$http.get('users',{ params:this.queryInfo})
            
            if(res.meta.status !== 200) return this.$message.error(res.meta.msg);
            this.UserList = res.data.users
            this.total = res.data.total
            
        },
        handleSizeChange(val) {
            this.queryInfo.pagesize = val
            this.getUserList()
        },
        handleCurrentChange(val) {
            this.queryInfo.pagenum = val
            this.getUserList()
        },
        // 监听switch开关状态的改变
        async userStateChanged(userinfo){
            console.log(userinfo)
            var {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            if(res.meta.status!==200){
                userinfo.mg_state = !userinfo.mg_state
                return this.$message.error(res.meta.msg)

            }
            this.$message.success(res.meta.msg)
        },
        // 监听新建用户对话框的关闭
        addDialogClosed(){
            this.$refs.addFormRef.resetFields();
        },
        editDialogClosed(){
            this.$refs.editFormRef.resetFields();
        },
        // 点击按钮添加用户
        addUser(){
            this.$refs.addFormRef.validate(async valid=>{
               if(!valid) return
            //可以发起添加用户的网络请求
            const {data:res} =await this.$http.post('users',this.addForm)
            if(res.meta.status!=201){
                this.$message.error(res.meta.msg)
            }
            this.$message.success(res.meta.msg)
            this.addDialogVisible = false
            this.getUserList()
            })
        },
        // 点击按钮修改用户
        async showEditDialog(id){
            this.editDialogVisible = !this.editDialogVisible
            console.log(id)
            const {data:res} = await this.$http.get('users/'+id)
            if(res.meta.status!=200){
                return this.$message.error(res.meta.msg)
            }
            this.$message.success(res.meta.msg)
            this.editForm = res.data
        },
        // 修改用户信息并提交
        editUser(){
             this.$refs.editFormRef.validate(async valid=>{
               if(!valid) return
            //发起修改用户信息的数据请求
            const {data:res} =await this.$http.put('users/'+this.editForm.id,{email:this.editForm.email,mobile:this.editForm.mobile })
            if(res.meta.status!=200){
                return this.$message.error(res.meta.msg)
            }
            this.editDialogVisible = !this.editDialogVisible
            this.getUserList()
            this.$message.success(res.meta.msg)
            }
        )},
        // 根据Id删除对应信息
        async removeUserById(id){
            // 弹框询问是否确定删除
            const confirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err=>{
                return err
            })
            // 确实删除返回字符串 confirm 取消删除返回字符串 cancel
            console.log(confirmResult)
            if(confirmResult!== 'confirm'){
                return this.$message.info('已取消删除')
            }
            const {data:res} = await this.$http.delete('users/' + id)
            if(res.meta.status!=200){
                return this.$message.error(res.meta.msg)
            }
            this.$message.success(res.meta.msg)
            this.getUserList()
        },
        async setRole(userInfo){
            this.userInfo = userInfo

            //在展示分配角色窗口前，获取所有角色列表

            const {data:res} = await this.$http.get('roles')
            if(res.meta.status!=200){
                return this.$message.error(res.meta.msg)
            }
            this.$message.success(res.meta.msg)

            this.RolesList = res.data
            console.log(this.RolesList)
            this.setRoleDialogVisible = true
        },
        async setRoleInfo(){
            if(!this.selectRoleId){
                return this.$message.error('请选择要分配的角色')
            }

            const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
                rid:this.selectRoleId
            })
            if(res.meta.status!=200){
                return this.$message.error(res.meta.msg)
            }
            this.$message.success(res.meta.msg)

            this.getUserList()
            this.setRoleDialogVisible = false

        },
        setRoleDialogClosed(){
            this.selectRoleId = ''
            this.userInfo = {}
        }
    }

}
</script>

<style lang="less" scoped>
</style>